Abstract: A lower module of a power electronic device includes a lower module included in a power electronic device that is divided into an upper module and a lower module by an intermediate plate and comprises a blower fan to introduce air into the inner space of the lower module; a plurality of capacitors installed in a suspended form on the intermediate plate and spaced apart from the blower fan; a heat sink having a plurality of heat dissipation fins through which heat generated from a heating component disposed on the upper module is conducted, and disposed adjacent to the capacitors to cool the plurality of heat dissipation fins by air moved from the plurality of capacitors; a DC reactor cooled by the air moved from the heat dissipation fins; and a discharge plate having a vent hole to discharge the air moved from the DC reactor to the outside.

Abstract: Provided is an electronic apparatus having an electronic control device. An electronic apparatus having an electronic control device, according to one embodiment of the present disclosure, may comprise: the electronic control device having a first coupling part and an electronic control device groove part; a bracket including a side wall having a bracket protrusion to be coupled to the electronic control device groove part and a fixing member protrusion seating groove to be coupled to the first coupling part, wherein the bracket includes a pair of second coupling parts and a pair of third coupling parts and has a through-hole formed in the central portion thereof; a housing which includes a pair of fourth coupling parts and a pair of fifth coupling parts formed on a first surface, and has an electronic apparatus disposed therein; and a circuit board electrically connected to the electronic apparatus and electrically connected to the electronic control device via the through-hole.

Abstract: An electronic control device according to an embodiment of the present disclosure comprises a lower cover including a side wall with a first coupling portion and a second coupling portion; a circuit board arranged inside the side wall of the lower cover and having on the upper surface thereof a button; a middle cover provided with a third coupling portion coupled to the first coupling portion and a first button hole, and coupled to the lower cover by coupling of the third coupling portion to the first coupling portion; a button cover arranged on the upper surface of the middle cover, covering the first button hole, and having a protrusion portion; and an upper cover including a side wall provided with a fourth coupling portion coupled to the second coupling portion, the upper cover provided with a second button hole, and covering the button cover and the middle cover.

Abstract: An electronic control device according to an embodiment of the present disclosure comprises a lower cover including a side wall with a first coupling portion and a second coupling portion; a circuit board arranged inside the side wall of the lower cover and having on the upper surface thereof a button; a middle cover provided with a third coupling portion coupled to the first coupling portion and a first button hole, and coupled to the lower cover by coupling of the third coupling portion to the first coupling portion; a button cover arranged on the upper surface of the middle cover, covering the first button hole, and having a protrusion portion; and an upper cover including a side wall provided with a fourth coupling portion coupled to the second coupling portion, the upper cover provided with a second button hole, and covering the button cover and the middle cover.

Abstract: The present disclosure relates to a power electronic device with an automatic ventilation module, comprising: an enclosure in which a heating component is accommodated; and an automatic ventilation module, installed on one side of the enclosure, for opening and closing a part of the enclosure based on the temperature of the heating component, wherein the automatic ventilation module comprises a driving unit for generating power; a connection unit for transmitting the power generated by the driving unit; a ventilation unit for receiving the power from the connection unit and disposed with a front plate for opening and closing a part of the enclosure; a temperature sensor for measuring the temperature of the inside of the enclosure; and a control unit for controlling the driving unit on the basis of a measured value of the temperature sensor so as to adjust the degree of opening and closing of the front plate.

Abstract: The present invention provides an inverter including: a middle frame in which a main circuit is disposed; an upper case disposed above the middle frame and configured to accommodate the main circuit; and a lower case disposed under the middle frame and having a first vent hole formed in one side surface thereof; a fan disposed at the other side surface of the lower case facing the first vent hole; a heat sink interposed between the first vent hole and the fan; an auxiliary housing disposed under the lower case, configured to accommodate an auxiliary circuit, and including a second vent hole in at least one side surface thereof; and a controller disposed in the main circuit of the auxiliary circuit.

Abstract: The present invention provides an inverter including: a middle frame in which a main circuit is disposed; an upper case disposed above the middle frame and configured to accommodate the main circuit; and a lower case disposed under the middle frame and having a first vent hole formed in one side surface thereof; a fan disposed at the other side surface of the lower case facing the first vent hole; a heat sink interposed between the first vent hole and the fan; an auxiliary housing disposed under the lower case, configured to accommodate an auxiliary circuit, and including a second vent hole in at least one side surface thereof; and a controller disposed in the main circuit of the auxiliary circuit.

Abstract: Disclosed herein is a heat radiation apparatus using modular cooling apparatuses. The heat radiation apparatus includes one or more modular apparatuses, and a housing in which the modular apparatuses are inserted. The housing includes an outer frame, and one or more bridges that support the modular cooling apparatuses in the outer frame. A step is formed at the outer frame and the bridges to mount a radiation plate thereon.

Abstract: Disclosed herein is a heat radiation apparatus using modular cooling apparatuses. The heat radiation apparatus includes one or more modular apparatuses, and a housing in which the modular apparatuses are inserted. The housing includes an outer frame, and one or more bridges that support the modular cooling apparatuses in the outer frame. A step is formed at the outer frame and the bridges to mount a radiation plate thereon.

Abstract: An apparatus for cooling inverter is disclosed, whereby an optimum heat radiation effect can be accomplished, because a flow part is divided in response to heat generation amount of an electric element arranged inside a housing to adjust an air flow.

Abstract: Disclosed embodiments relate to a cabinet for electric devices and, more particularly, to a cabinet for electric devices which is capable of regulating flow of air employed as a cooling medium to uniformly cool the interior of the cabinet. In some embodiments, the cabinet includes a plurality of device accommodation spaces for accommodating the electric devices in a stacking manner, a ventilation duct for discharging heat generated from the device accommodation spaces, a heat dissipation fan for discharging hot air from the ventilation duct, and a plurality of connection ducts for connecting the device accommodation spaces to the ventilation duct, wherein a flow rate and flow velocity of air passing through each of the connection ducts is adjusted by differentiating flow resistances in the connection ducts provided to the respective layers from each other.

Abstract: An apparatus for cooling inverter is disclosed, whereby an optimum heat radiation effect can be accomplished, because a flow part is divided in response to heat generation amount of an electric element arranged inside a housing to adjust an air flow.